The Door Into Fire

From Author Wars - https://authorwars.com/publications/the-door-into-fire-267746.html

Overview:

Title: The Door Into Fire
Author: Diane Duane
Year: 1985
ISBN-10: 081253672X
Publisher: Tor
Price: C$3.50
Pages: 291
Binding: Paperback
Type: Novel
Title Reference: The Door Into Fire
Notes: Canadian edition, entry created from data on copyright page of US edition, 2nd printing. Page 291 is not numbered.
The Author's Note and associated Map appear prior to page 1, but are not on numbered pages.